package com.qf.util;

/**
 * @author Hou
 * @version V1.0
 * @Project day42
 * @Package com.qf.util
 * @Description: 工具类
 * @Date 2022/5/12 9:47
 */
public class MyUtil {

    private MyUtil(){}


    public static boolean isEmpty(String str) {
        return str== null || str.length() ==0;
    }
}
